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Finding the Fourth Proportional to 671,186.16, 926,256.24 and 365,282.28

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Solution

The fourth proportional to 671,186.16, 926,256.24 and 365,282.28 is: 504,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,186.16 : 926,256.24 = 365,282.28 : x
  2. Step 2: Convert to fraction form
    671,186.16/926,256.24 = 365,282.28/x
  3. Step 3: Cross multiply
    671,186.16x = 926,256.24 × 365,282.28
  4. Step 4: Simplify right side
    671,186.16x = 338,344,991,211.43
  5. Step 5: Solve for x
    x = 338,344,991,211.43/671,186.16
  6. Step 6: Final answer
    x = 504,100.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.